28089760

素因数分解:

$2^5\times 5^1\times {\mathrm{419}}^2$

素因数の和:853

約数の個数: 36

約数和(自身を含む): 66520818

約数和(自身を除く): 38431058

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 419, 838, 1676, 2095, 3352, 4190, 6704, 8380, 13408, 16760, 33520, 67040, 175561, 351122, 702244, 877805, 1404488, 1755610, 2808976, 3511220, 5617952, 7022440, 14044880, 28089760]

約数ペア:

[(1, 28089760), (2, 14044880), (4, 7022440), (5, 5617952), (8, 3511220), (10, 2808976), (16, 1755610), (20, 1404488), (32, 877805), (40, 702244), (80, 351122), (160, 175561), (419, 67040), (838, 33520), (1676, 16760), (2095, 13408), (3352, 8380), (4190, 6704)]